Nanotechnology

NANOTECHNOLOGY By Saurabh Chawla XII Science FAITH ACADEMY

An engineered DNA strand What is Nanotechnology? “ Nanotechnology is the art an science of manipulating matter at the nanoscale ” Buckyball ,[object Object],[object Object]

What is Nanoscale? 0.22 m Fullerenes C 60 22 cm 0.7 nm 10 millions times smaller 1 billion times smaller 12,756 km 1.27 × 10 7 m 0.7 × 10-9 m

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],History of Nanotechnology

NEED FOR NANOTECHNOLOGY ,[object Object],[object Object],[object Object],[object Object],[object Object]

APPROACHES OF NANOTECHNOLOGY ,[object Object],[object Object]

Nanoscale Approaches and Fabrication Top-down Approaches Bottom-up Approaches Create smaller objects using Larger objects They arrange smaller components in to more complex. Uses principles of molecular recognition Layer-by-layer self assembly

[object Object],[object Object],[object Object],[object Object],[object Object],Nanotechnology Applications Stinger: Targeted Drug Delivery ,[object Object],Nanorobot Aerogel NANO FILTERS Nano Transistor

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Industrial Medical Material Advantages

NANO MATERIALS: ,[object Object],[object Object]

FULLERENES Buckminster fullerene

NANOTUBES: ,[object Object],[object Object]

Carbon NanoTubes The joining of two carbon nanotubes ,[object Object],[object Object],carbon nanotube

Single Walled Nanotubes (SWNT) The ( n , m ) nanotube naming scheme can be thought of as a vector ( C h ) in an infinite graphene sheet that describes how to "roll up" the graphene sheet to make the nanotube. ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Multi Walled Nano Tubes (MWNT) ,[object Object]

[object Object],[object Object],[object Object],Nanobud ,[object Object],[object Object],A stable nanobud structure

[object Object],[object Object],[object Object],[object Object],[object Object]

Striking properties of nanoparticles: ,[object Object],[object Object],[object Object],[object Object]

IMPLEMENTATIONS OF NANOTECHNOLOGY ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Applications of Nano Tubes Aligned nanotubes are preferred for many applications.

APPLICATIONS OF NANOTECHNOLOGY ,[object Object],[object Object],[object Object],[object Object]

ADVANTAGES OF NANOTECHNOLOGY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DISADVANTAGES OF NANOTECHNOLOGY ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Implications of Nanotechnology

Exposure of human and the environment to nanomaterials at different stages of product life cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],“ The Living Fog ” formed by billions of replicating nanobots gone mad

Nanotechnology

Recomendados

Recomendados

Más contenido relacionado

La actualidad más candente

La actualidad más candente (20)

Destacado

Destacado (18)

Similar a Nanotechnology

Similar a Nanotechnology (20)

Más de KANNAN

Más de KANNAN (20)

Último

Último (20)

Nanotechnology